1994 Factory-verified

interim availability; requires L27; the 1995 page lists traction control without a code

GM Heritage factory kit — 1994 Chevrolet LuminaAPV, p.40.

Malibu — Fifth generation (1997–2005)

1998 Factory-verified

platform-list code; the Malibu 1997–1999 kit order guides do not show it.

GM factory document — 1998 chevrolet malibu rpo code list, p.1.

Malibu — Sixth generation, Epsilon (2004–2008)

2006–2007 Factory-verified

shared Epsilon code (Pontiac G6, Saturn Aura).

GM factory document — 2006 chevrolet malibu rpo code list, p.1.
GM factory document — 2007 chevrolet malibu rpo code list, p.1.

Malibu — Epsilon II (2008–2012)

2008 Factory-verified

GM factory document — 2008 chevrolet malibu rpo code list, p.1.

Monte Carlo — sixth generation (2000–2007)

2000–2007 Factory-verified

Also in the kit's Monte Carlo order guide.

GM factory document — 2000 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2001 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2002 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2003 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2004 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2005 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2006 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2007 chevrolet monte carlo rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Monte Carlo, p.91.
GM Heritage factory kit — 2005 Chevrolet Monte Carlo, p.96.
GM Heritage factory kit — 2006 Chevrolet Monte Carlo, p.124.

Traverse — First generation (2009–2017)

2009, 2015 Factory-verified

the 2015 guide reads traction control; StabiliTrak stability control is listed on the same page without a code.

GM factory document — 2009 chevrolet traverse rpo code list, p.1.
GM factory document — 2015 chevrolet traverse fleet order guide wayback, p.3.

Uplander (2005–2008)

2005–2008 Factory-verified

GM factory document — 2005 chevrolet uplander rpo code list, p.1.
GM factory document — 2006 chevrolet uplander rpo code list, p.1.
GM factory document — 2007 chevrolet uplander rpo code list, p.1.
GM factory document — 2008 chevrolet uplander rpo code list, p.1.

Venture — U-body minivan (1997–2005)

1997–2005 Factory-verified

GM factory document — 1998 chevrolet venture ext rpo code list, p.1.
GM factory document — 1999 chevrolet venture ext rpo code list, p.1.
GM factory document — 2000 chevrolet venture ext rpo code list, p.1.
GM factory document — 2001 chevrolet venture ext rpo code list, p.1.
GM factory document — 2002 chevrolet venture ext rpo code list, p.1.
GM factory document — 2003 chevrolet venture ext rpo code list, p.1.
GM factory document — 2004 chevrolet venture ext rpo code list, p.1.
GM factory document — 2005 chevrolet venture ext rpo code list, p.1.
GM Heritage factory kit — 1997 Chevrolet Venture, p.45.

This page aggregates every documented appearance of NW9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.